[INFO] fetching crate diff_match_patch 0.1.1...
[INFO] checking diff_match_patch-0.1.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate diff_match_patch 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate diff_match_patch 0.1.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diff_match_patch 0.1.1
[INFO] finished tweaking crates.io crate diff_match_patch 0.1.1
[INFO] tweaked toml for crates.io crate diff_match_patch 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate diff_match_patch 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31036e3e2d23228d62a7e55c1f82349cdbb6753d7aa7367c3df2a5f51b84aee3
[INFO] running `Command { std: "docker" "start" "-a" "31036e3e2d23228d62a7e55c1f82349cdbb6753d7aa7367c3df2a5f51b84aee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31036e3e2d23228d62a7e55c1f82349cdbb6753d7aa7367c3df2a5f51b84aee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31036e3e2d23228d62a7e55c1f82349cdbb6753d7aa7367c3df2a5f51b84aee3", kill_on_drop: false }`
[INFO] [stdout] 31036e3e2d23228d62a7e55c1f82349cdbb6753d7aa7367c3df2a5f51b84aee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 877764aa8d8e71cc4d36cf6bad317755b62bc4575f3548892293a1f97f10c113
[INFO] running `Command { std: "docker" "start" "-a" "877764aa8d8e71cc4d36cf6bad317755b62bc4575f3548892293a1f97f10c113", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking diff_match_patch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dmp.rs:932:13
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let mut text1_trunc;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dmp.rs:932:13
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let mut text1_trunc;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dmp.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let mut text2_trunc;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dmp.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let mut text2_trunc;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dmp.rs:932:13
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let mut text1_trunc;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dmp.rs:932:13
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let mut text1_trunc;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dmp.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let mut text2_trunc;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dmp.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let mut text2_trunc;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `diff_words_tochars`, `diff_words_tochars_munge`, and `make_token_dict` are never used
[INFO] [stdout]    --> src/dmp.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Dmp {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 702 |     pub fn diff_words_tochars(&mut self, text1: &String, text2: &String) -> (String, String, Vec<String>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 725 |     pub fn diff_words_tochars_munge(&mut self, text: &String, wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 757 |     fn make_token_dict(&mut self, word: &str , wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `diff_words_tochars`, `diff_words_tochars_munge`, and `make_token_dict` are never used
[INFO] [stdout]    --> src/dmp.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Dmp {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 702 |     pub fn diff_words_tochars(&mut self, text1: &String, text2: &String) -> (String, String, Vec<String>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 725 |     pub fn diff_words_tochars_munge(&mut self, text: &String, wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 757 |     fn make_token_dict(&mut self, word: &str , wordarray: &mut Vec<String>, wordhash: &mut HashMap<String, u32>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "877764aa8d8e71cc4d36cf6bad317755b62bc4575f3548892293a1f97f10c113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877764aa8d8e71cc4d36cf6bad317755b62bc4575f3548892293a1f97f10c113", kill_on_drop: false }`
[INFO] [stdout] 877764aa8d8e71cc4d36cf6bad317755b62bc4575f3548892293a1f97f10c113
